TTimeZone.Local versus IANA tzdata wrapper for historic Delphi date conversion?
Developers need to convert a UTC timestamp from the past (e.g., 1995‑07‑01 12:00) to the local time of a region that has altered its daylight‑saving rules since that date. The goal is to obtain an offset that matches the historical IANA timezone database, regardless of whether the host operating system has retained those older rules. Delphi’s RTL TTimeZone.L
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